101002203423 has 40 divisors (see below), whose sum is σ = 165780531840. Its totient is φ = 60772997520.

The previous prime is 101002203409. The next prime is 101002203469. The reversal of 101002203423 is 324302200101.

101002203423 is a `hidden beast` number, since 1 + 0 + 100 + 220 + 342 + 3 = 666.

It is not a de Polignac number, because 101002203423 - 2¹⁸ = 101001941279 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101002203396 and 101002203405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101002203223) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 283915 + ... + 531612.

It is an arithmetic number, because the mean of its divisors is an integer number (4144513296).

Almost surely, 2^101002203423 is an apocalyptic number.

101002203423 is a deficient number, since it is larger than the sum of its proper divisors (64778328417).

101002203423 is a wasteful number, since it uses less digits than its factorization.

101002203423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815689 (or 815680 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 101002203423 its reverse (324302200101), we get a palindrome (425304403524).

The spelling of 101002203423 in words is "one hundred one billion, two million, two hundred three thousand, four hundred twenty-three".